GB2566761B - Discarding of threads processed by a warp processing unit - Google Patents

Discarding of threads processed by a warp processing unit Download PDF

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Publication number
GB2566761B
GB2566761B GB1718157.9A GB201718157A GB2566761B GB 2566761 B GB2566761 B GB 2566761B GB 201718157 A GB201718157 A GB 201718157A GB 2566761 B GB2566761 B GB 2566761B
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United Kingdom
Prior art keywords
discarding
processing unit
warp processing
threads processed
threads
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB1718157.9A
Other versions
GB2566761A (en
GB201718157D0 (en
Inventor
Forey Stephane
Sideris Isidoros
Gisbert Döffinger Reimar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ARM Ltd
Original Assignee
ARM Ltd
Advanced Risc Machines Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ARM Ltd, Advanced Risc Machines Ltd filed Critical ARM Ltd
Publication of GB201718157D0 publication Critical patent/GB201718157D0/en
Publication of GB2566761A publication Critical patent/GB2566761A/en
Application granted granted Critical
Publication of GB2566761B publication Critical patent/GB2566761B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/20—Processor architectures; Processor configuration, e.g. pipelining
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3836—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution
    • G06F9/3851—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution from multiple instruction streams, e.g. multistreaming
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3885—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3885—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units
    • G06F9/3887—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units controlled by a single instruction for multiple data lanes [SIMD]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3885—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units
    • G06F9/3888—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units controlled by a single instruction for multiple threads [SIMT] in parallel
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3885—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units
    • G06F9/3888—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units controlled by a single instruction for multiple threads [SIMT] in parallel
    • G06F9/38885—Divergence aspects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/48—Program initiating; Program switching, e.g. by interrupt
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/48—Program initiating; Program switching, e.g. by interrupt
    • G06F9/4806—Task transfer initiation or dispatching
    • G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system
    • G06F9/4881—Scheduling strategies for dispatcher, e.g. round robin, multi-level priority queues
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
    • G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
    • G06F9/5027—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
    • G06F9/5038—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals considering the execution order of a plurality of tasks, e.g. taking priority or time dependency constraints into consideration
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/52—Program synchronisation; Mutual exclusion, e.g. by means of semaphores
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2200/00—Indexing scheme for image data processing or generation, in general
    • G06T2200/28—Indexing scheme for image data processing or generation, in general involving image processing hardware

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Image Processing (AREA)
  • Image Generation (AREA)
GB1718157.9A 2017-09-20 2017-11-02 Discarding of threads processed by a warp processing unit Active GB2566761B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR20170100422 2017-09-20

Publications (3)

Publication Number Publication Date
GB201718157D0 GB201718157D0 (en) 2017-12-20
GB2566761A GB2566761A (en) 2019-03-27
GB2566761B true GB2566761B (en) 2020-01-22

Family

ID=60664678

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1718157.9A Active GB2566761B (en) 2017-09-20 2017-11-02 Discarding of threads processed by a warp processing unit

Country Status (2)

Country Link
US (1) US10748236B2 (en)
GB (1) GB2566761B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11276137B1 (en) * 2021-01-29 2022-03-15 Arm Limited Graphics processing systems with conditional evictions
US20220318056A1 (en) * 2021-03-30 2022-10-06 Advanced Micro Devices, Inc. Dynamic system power load management
GB2610242B (en) 2021-08-27 2024-09-25 Advanced Risc Mach Ltd Graphics processing
CN116643698B (en) * 2023-05-26 2024-03-29 摩尔线程智能科技(北京)有限责任公司 Data writing method and device, electronic equipment and storage medium

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130332939A1 (en) * 2011-05-25 2013-12-12 Arm Limited Data processing apparatus and method for processing a received workload in order to generate result data
US20140267272A1 (en) * 2013-03-15 2014-09-18 Przemyslaw Ossowski Conditional end of thread mechanism
US20170032488A1 (en) * 2015-07-30 2017-02-02 Arm Limited Graphics processing systems

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7617384B1 (en) * 2006-11-06 2009-11-10 Nvidia Corporation Structured programming control flow using a disable mask in a SIMD architecture
US8719555B2 (en) * 2008-01-31 2014-05-06 Arm Norway As Method for overcoming livelock in a multi-threaded system
US8850436B2 (en) * 2009-09-28 2014-09-30 Nvidia Corporation Opcode-specified predicatable warp post-synchronization
US9535700B2 (en) * 2013-06-14 2017-01-03 Arm Limited Data processing systems
US9727341B2 (en) * 2014-05-09 2017-08-08 Samsung Electronics Co., Ltd. Control flow in a thread-based environment without branching
US10521875B2 (en) * 2017-04-01 2019-12-31 Intel Corporation Thread scheduling over compute blocks for power optimization

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130332939A1 (en) * 2011-05-25 2013-12-12 Arm Limited Data processing apparatus and method for processing a received workload in order to generate result data
US20140267272A1 (en) * 2013-03-15 2014-09-18 Przemyslaw Ossowski Conditional end of thread mechanism
US20170032488A1 (en) * 2015-07-30 2017-02-02 Arm Limited Graphics processing systems

Also Published As

Publication number Publication date
US10748236B2 (en) 2020-08-18
GB2566761A (en) 2019-03-27
GB201718157D0 (en) 2017-12-20
US20190087928A1 (en) 2019-03-21

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